Benadryl Allergy One A Day (30 Tablets)


  • Relieves Common Allergy Symptoms
  • Effective In 30 Mins To 1 Hour
  • Active Ingredient: Cetirizine
  • Buy With Confidence From UK Registered Pharmacy
  • Includes Free Prescription

An allergy is when the body has a reaction to a particular food or substance, affecting more than 1 in 4 people in the UK at some point in their lives. Cetirizne is an antihistamine medicine which is a popular treatment for allergies.

Buy more and save!

Quantity 1 2 -4 5 -6
Price (each) £7.45 £7.08 £6.71

In stock

SKU: Benadryl Allergy One A Day (30 Tablets) Categories: , ,

Discreet Packaging

UK Based


Product Description

What Is Benadryl One A Day And What Is It Used For

Benadryl Allergy One a Day 10 mg Tablets is a medicine which is used to relieve the symptoms of hay fever and other allergic conditions such as pet or dust allergies. The tablets contain 10 mg cetirizine dihydrochloride which is an antihistamine that helps relieve allergy symptoms such as sneezing, runny nose and watery eyes. It can also be used to treat allergic skin reactions. These include urticaria, also known as hives, where the skin looks blotchy, with white raised wheals (bumps) surrounded by redness. This medicine is for use in adults and children aged 12 years and over.

How To Take Benadryl Allergy One A Day

Adults and children : Take 1 tablet aged 12 years and above once a day

(For oral use only)

  • Swallow with a glass of water.
  • Do not take more than the stated dose shown in the table.
  • Do not take more than 1 tablet in 24 hours.
  • If symptoms persist or worsen, stop use and consult your doctor or pharmacist.
  • This medicine is not recommended for children aged under 12 years old.

Before Taking Benadryl Allergy One A Day

Do not take this medicine:

  • If you have ever had a bad reaction to cetirizine dihydrochloride, to hydroxyzine or piperazine derivatives or any other ingredients of this medicine
  • If you have serious kidney problems .

Talk to your doctor or pharmacist:

  • If you are an epileptic or at risk of convulsions (fits) .
  • If you experience symptoms such as a sudden onset of fever, reddening of the skin with blisters containing pus, stop giving this medicine immediately and talk to a doctor or pharmacist

Benadryl Allergy One A Day Ingredients

The active ingredient in Benadryl Allergy One a Day 10 mg Tablets is: 10 mg Cetirizine dihydrochloride in each tablet.

Other ingredients are: Microcrystalline cellulose, lactose, colloidal anhydrous silica and magnesium stearate.

The film coating contains hydroxypropylmethylcellulose (E464), titanium dioxide (E171) and macrogol 400.


See our full allergy treatment range here.

Read more about allergies. 

Side Effects

Like all medicines, this medicine can cause side
effects, although not everybody gets them.
If you experience any of the following,
stop taking this medicine and seek
immediate medical help:

■ Sudden onset of fever, reddening of the skin,
or many small pustules (possible symptoms
of Acute Generalised Exanthematous
Pustulosis – AGEP) may occur within the first
2 days of treatment with this medicine (See
section 2).

■ Sudden signs of allergy such as rash, itching
or hives on the skin, swelling of the face,
lips, tongue or other parts of the body,
shortness of breath, wheezing or trouble

■ Bruising or bleeding more easily than

■ Convulsions (fits) or hallucinations

■ Loss of consciousness

If you experience any of the following,
stop taking this medicine and talk to your

■ Confusion

■ Abnormal liver function tests

■ Rapid heartbeat
Other effects which may occur include:
Common: affects 1 to 10 users in 100

■ Headache or dizziness

■ Drowsiness or tiredness

■ Restlessness

■ Dry mouth, sore throat

■ Upset stomach, abdominal pain, diarrhoea,

■ Runny nose
Uncommon: affects 1 to 10 users in 1,000

■ Agitation

■ Unusual weakness

■ Feeling of general discomfort or uneasiness

■ Pins & needles
Rarely: affects 1 to 10 users in 10,000

■ Aggression, depression

■ Weight gain

■ Movement disorders including tremor,
muscle spasm and tics

■ Sleeplessness
Very rarely: affects less than 1 user in 10,000

■ Taste disorder

■ Blurred vision, eye movement disorder

■ Difficult, painful or involuntary urination
Other effects which may occur but it is unknown
how often:

■ Vertigo, increased appetite

■ Amnesia, memory impairment

■ Inability to pass urine

■ Eye pain

■ Joint pain.

■ Pruritus (intense itching) when you stop
giving this medicine.
If you get any side effects, talk to your doctor,
pharmacist or nurse. This includes any possible
side effects not listed in this leaflet. You can also
report side effects directly via the Yellow Card
Scheme at: or
search for MHRA Yellow Card in the Google Play
or Apple App Store.
The following details are applicable for Malta: ADR
By reporting side effects you can help provide
more information on the safety of this medicine

Further Information